This page uses the standard formula, 468 / f MHz to calculate dipole lengths. You may change this number if you know of a better number to use as your starting point.
Enter the formula for the antenna calculation

Divided by Freq MHz

Percent smaller for the Inverted Vee

Your dipole's total length is feet or meters
Each leg of the dipole is feet or meters

Your Inverted Vee's total length is feet or meters
Each leg of the Inverted Vee is feet or meters